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. 2021 Mar 27;13(4):1096. doi: 10.3390/nu13041096

Table 3.

Anthropometric and body composition variables before (pre) an after (post) the intervention in the two training groups (HIIT10 and HIIT60).

HIIT10 HΙΤ60 Pre vs. Post
Pre Post Pre Post Pre vs. Post Main Effect Change (90 CI%); Hedges g Group Interaction
Body mass (kg) 91.94 ± 7.92 90.17 ± 7.20 94.26 ± 14.10 93.88 ± 14.41 p = 0.043, η2 = 0.262 −1.12 (−1.88, −0.35),
ES = 0.09		 p = 0.765, η2 = 0.007 p = 0.175, η2 = 0.127
BMI (kg/m2) 29.8 ± 2.1 29.2 ± 1.8 30.1 ± 2.6 30.0 ± 2.7 p = 0.037, η2 = 0.274 −0.36 (−0.62, −0.10),
ES = 0.16		 p = 0.655, η2 = 0.015 p = 0.166, η2 = 0.133
WC (cm) 103.7 ± 7.3 99.9 ± 7.0 102.4 ± 9.6 100.7 ± 9.8 p < 0.001, η2 = 0.626 −2.8 (−3.8, −1.8),
ES = 1.64		 p = 0.952, η2 = 0.000 p = 0.077, η2 = 0.206
Total body fat (%) 31.5 ± 4.0 29.4 ± 4.2 32.1 ± 3.9 31.0 ± 3.1 p = 0.043, η2 = 0.262 −1.6 (−2.7, −0.4),
ES = 0.41		 p = 0.577, η2 = 0.023 p = 0.514, η2 = 0.031
Total fat mass (kg) 29.12 ± 5.68 26.68 ± 5.35 30.26 ± 6.15 29.07 ± 5.30 p = 0.002, η2 = 0.495 −1.81 (−2.63, −0.99),
ES = 0.32		 p = 0.534, η2 = 0.028 p = 0.233, η2 = 0.104
Trunk fat mass (kg) 17.64 ± 3.06 15.87 ± 2.78 17.34 ± 3.49 16.21 ± 3.26 p < 0.001, η2 = 0.612 −1.45 (−1.95, −0.94),
ES = 0.46		 p = 0.991, η2 = 0.000 p = 0.321, η2 = 0.070
Leg fat mass (kg) 8.86 ± 2.49 8.42 ± 2.37 9.77 ± 3.12 9.81 ± 2.48 p = 0.235, η2 = 0.099 −0.20 (−0.48, 0.07),
ES = 0.08		 p = 0.393, η2 = 0.053 p = 0.174, η2 = 0.128
Arm fat mass (kg) 2.63 ± 0.80 2.39 ± 0.71 3.15 ± 0.89 3.06 ± 0.90 p = 0.077, η2 = 0.206 −0.17 (−0.31, −0.02),
ES = 0.19		 p = 0.162, η2 = 0.134 p = 0.413, η2 = 0.048
Lean body mass (kg) 54.57 ± 4.31 55.40 ± 4.69 55.87 ± 10.02 56.68 ± 10.34 p < 0.001, η2 = 0.705 0.82 (0.59, 1.05),
ES = 0.10		 p = 0.748, η2 = 0.008 p = 0.975, η2 = 0.000
Leg lean mass (kg) 18.41 ± 1.57 19.25 ± 1.87 19.29 ± 2.78 20.17 ± 3.08 p < 0.001, η2 = 0.723 0.86 (0.63, 1.08),
ES = 0.35		 p = 0.463, η2 = 0.039 p = 0.904, η2 = 0.001
Trunk lean mass (kg) 29.21 ± 3.39 29.26 ± 3.33 29.76 ± 6.47 29.72 ± 6.47 p = 0.756, η2 = 0.007 0.00 (−0.08, 0.08),
ES = 0.00		 p = 0.896, η2 = 0.001 p = 0.205, η2 = 0.112
Arm lean mass (kg) 6.95 ± 0.89 6.88 ± 0.93 6.81 ± 0.95 6.80 ± 0.96 p = 0.633, η2 = 0.017 −0.04 (−0.17, 0.09),
ES = 0.04		 p = 0.807, η2 = 0.004 p = 0.748, η2 = 0.008
Head mass (kg) 5.24 ± 0.24 5.13 ± 0.38 5.21 ± 0.35 5.21 ± 0.32 p = 0.251, η2 = 0.093 −0.06 (−0.02, 0.14),
ES = 0.17		 p = 0.869, η2 = 0.002 p = 0.262, η2 = 0.089
Total body BMC (kg) 3.01 ± 0.30 2.96 ± 0.33 2.92 ± 0.33 2.91 ± 0.32 p = 0.409, η2 = 0.049 −0.03 (−0.05, 0.00),
ES = 0.08		 p = 0.661, η2 = 0.014 p = 0.529, η2 = 0.029

Values are means ± standard deviation. Bold font highlights statistically significant differences. 90% CI, 90% confidence interval; η2, partial eta squared; ES, effect size; BMC, bone mineral content; BMI, body mass index; WC, waist circumference.